From 01910bca3975fcb404e7990848b4dcc458b45f2c Mon Sep 17 00:00:00 2001
From: Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
Date: Wed, 5 Jul 2023 21:15:36 +0200
Subject: [PATCH] LibJS: Null check current scope pusher before
 register_identifier call

This fixes crashing when current scope pusher is null during identifier
parsing.
---
 Userland/Libraries/LibJS/Parser.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Userland/Libraries/LibJS/Parser.cpp b/Userland/Libraries/LibJS/Parser.cpp
index d9ab8aa10f..3f8a809610 100644
--- a/Userland/Libraries/LibJS/Parser.cpp
+++ b/Userland/Libraries/LibJS/Parser.cpp
@@ -4988,7 +4988,8 @@ template NonnullRefPtr<FunctionDeclaration> Parser::parse_function_node(u16, Opt
 NonnullRefPtr<Identifier const> Parser::create_identifier_and_register_in_current_scope(SourceRange range, DeprecatedFlyString string)
 {
     auto id = create_ast_node<Identifier const>(range, string);
-    m_state.current_scope_pusher->register_identifier(const_cast<Identifier&>(*id));
+    if (m_state.current_scope_pusher)
+        m_state.current_scope_pusher->register_identifier(const_cast<Identifier&>(*id));
     return id;
 }